The red grape variety comes from Italy, As a rule, it is considered the most common clone of the variety Rossola Nera viewed, but results from 2001 DNA analysis that they are independent varieties. However, there are Parent-offspring relationship between the two varieties as well as the variety Pignola Valtellinese, There is also a roseberry variant called Rossolino Rosa . Since Rossolino Nero often in composite rate with Rossola Nera, there is often confusion. The medium maturing vine is susceptible to real ones mildew and Botrytis but resistant to downy mildew. The variety is grown in small quantities in the Valtellina Valley Lombardy cultured. In 2010, however, no stocks were shown (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012